Method for dynamic bandwidth testing

Details Method for dynamic bandwidth testing Method for dynamic bandwidth testing

1997-09-19

1999-10-19

Vu, Huy D.

Multiplex communications

Diagnostic testing

Using oam cells

39520062, G06F 11267

Patent

active

059700521

ABSTRACT:
A method for dynamic bandwidth testing of a link between two computer subsystems useful for determining the amount of data which can be buffered in a transmission line by delay, in which at each end of the line circuit modules are provided to couple the subsystem by a bi-directional multi-bit (BiDi) link, and providing within each said circuit module a built-in circuit and logic for dynamic transmission characterization and test of a said BiDi link between computer subsystems using built-in characterization logic macros, and during a test mode, switching said said built-in circuit and logic to test mode and using the test mode to characterize the link performance, and after the completion of characterization, the switching built-in characterization logic macros back to a normal system mode after programmatically setting timing parameters for the BiDi link to ensure safe operation of data transfer before the BiDi link is switched to system mode.

REFERENCES:
patent: 4059736 (1977-11-01), Perucca et al.
patent: 4633411 (1986-12-01), Bliss et al.
patent: 5689513 (1997-11-01), Okita et al.
patent: 5698876 (1997-12-01), Yabe et al.

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